https://bugs.documentfoundation.org/show_bug.cgi?id=90235

Matthew Francis <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |bisected, regression
                 CC|                            |[email protected]
            Summary|It's a "sum" function bug?  |Loss of precision in SUM
                   |                            |function
         Whiteboard|                            |bibisected
                 OS|Windows (All)               |All

--- Comment #5 from Matthew Francis <[email protected]> ---
Forcing recalculation to override the cached value in the file gives a result
of 0.00 until
source-hash-61db96daa87754af24355d7ac94ee0305f22ff87
in bibisect 43all
(* recalculation by editing the cell - F9 doesn't seem to affect this for some
reason)


At a quick scan this is most likely a result of the below commit

commit 9d207f6fc479bf96db9fcde214f15f2ffb045001
Author: Kohei Yoshida <[email protected]>
Date:   Tue Jul 2 00:51:10 2013 -0400

    Re-implement SUM function to make use of new cell storage.

    And fix a bug in my new COUNT function, where I forgot to tally numeric
    formula cells.

    Change-Id: I52d26be3e48f646f656821066e23594d52f78c6d


and/or this one which followed it


commit d61233a388284383a939e2f26a0e25b9ad243898
Author: Kohei Yoshida <[email protected]>
Date:   Tue Jul 2 16:02:59 2013 -0400

    Move this code from the column code back into the interpreter code.

    Change-Id: I7830cdf3f09ed7b6ae6221212bfb84abcdeac523


Still not sure if this is a genuine bug or just an expected consequence of
floating point arithmetic. However, as it used to give an exact result, let's
call this a regression until a Calc developer decides otherwise.

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